Bayesian Statistics and Naive Bayes Classifiers

Bayesian statistics is an approach in statistics where probability is interpreted as a degree in belief in an event. The probability of event \(A\) happening given \(B\) is true can...

Moore-Penrose Inverse

I got introduced to the Moore-Penrose inverse, also known as pseudoinverse or generalized inverse, in an internal sharing session at my company’s engineering meeting. Since I haven’t really heard about...

Riemann Zeta Function

The zeta function, which is commonly known as the Riemann zeta function, is defined as follows. \[\zeta (s) = \sum_{n = 1}^{\infty} \frac{1}{n^s}\] The zeta function’s Dirichlet series will converge...

Revisiting Alkali Metals

This is a note on alkali metals. I actually haven’t visited chemistry much since graduating high school back in 2009, but recently when I look for science experiment demonstration videos...

Gamma Distribution, Poisson Process, and Gamma Function

Gamma distribution is used to model the waiting time of a Poisson process, similar to exponential distribution. According to this article by Aerin Kim, the difference is that the exponential...